COAL MINING | meaning in the Cambridge English Dictionary
The drill can be used for coal mining, geothermal wells, and for pipe conduits under roads. Thesaurus: synonyms and related words Engineering - mining & quarrying
Coal Mining Terms Dictionary | The Coal Fields™
Dictionary of terms related to Coal Mining, Coal, Lease, geography, maps, the Bureau of Land Management, and The Coal Fields™.
Coal-mining - definition of Coal-mining by The Free Dictionary
Coal-mining synonyms, Coal-mining pronunciation, Coal-mining translation, English dictionary definition of Coal-mining. coal mining. Translations. English: coal mining n estrazione f del carbone.
COAL MINE | definition in the Cambridge English Dictionary
coal mine meaning: 1. the deep hole or system of holes under the ground from which coal is removed 2. the deep hole or…. Learn more.
Coal mine | Definition of Coal mine at Dictionary.com
It may be that there is only one coal-mine in a country, and that an individual has got possession of it. Harmonies of Political Economy | Frdric Bastiat It rewakened his love of adventure, which digging in a …
Glossary of Mining Terms - Coal Education
W. X. Y. Z. A. Abutment- In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
coal mining | Definition, History, Types, & Facts | Britannica
Coal mining, extraction of coal deposits from the surface of Earth from underground. Coal has been used since the Bronze Age, 3,000 to 4,000 years ago, and was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries.
Glossary of Mining Terms - SEC.gov
Coal - A carbonaceous rock mined for use as a fuel. Coalification - The metamorphic processes of forming coal. Collar - The term applied to the timbering or concrete around the mouth of a shaft; also used to describe the top of a mill hole.
Glossary of Mining Terminology - Glace Bay
Bootleg Coal - The mining and/or selling of coal from an area not owned by the miner or without the owners permission. Bord - A chamber excavated in coal, off a balance. In some coal fields, a bord is called a room. Bore Hole - A hole of small diameter drilled or bored to explore the strata beneath, above, beside or ahead.
Mining | Definition of Mining at Dictionary.com
In the 1900s, coal mining, natural gas and other fossil fuel sources raised methane levels in the atmosphere.
Coal mine - definition of coal mine by The Free Dictionary
coal mine - a mine where coal is dug from the ground. coalpit. colliery, pit - a workplace consisting of a coal mine plus all the buildings and equipment connected with it. mine - excavation in the earth from which ores and minerals are extracted.
Coal mining | Article about coal mining by The Free Dictionary
coal mining, physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form.
Underground coal mine | Article about Underground coal ...
coal mining, physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form.
coal noun - Oxford Advanced Learners Dictionary
coal mining Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields (= areas where coal is mined) were in north-east England, the north Midlands and the valleys of South Wales, especially the Rhondda Valley.
Coal | Definition of Coal by Merriam-Webster
Coal definition is - a piece of glowing carbon or charred stone : ember. How to use coal in a sentence.
coal - WordReference.com Dictionary of English
coal - WordReference English dictionary, questions, discussion and forums. All Free.
French translation of coal mine - Collins English Dictionary
French Translation of “coal mine” | The official Collins English-French Dictionary online. Over 100,000 French translations of English words and phrases.